Chapter 9: Plant Breeding - Online Test

Q1.

Assertion: Genetic variation provides the raw material for selection

Reason: Genetic variations are differences in genotypes of the individuals.
Answer : Option B
Explaination / Solution:
No Explaination.


Q2. While studying the history of domestication of various cultivated plants _______ were recognized earlier
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. Pick out the odd pair.
Answer : Option C
Explaination / Solution:
No Explaination.


Q4.

Match Column I with Column II

Column I : Column II

i) William S. Gaud I) Heterosis

ii) Shull II) Mutation breeding

iii) Cotton Mather III) Green revolution

Muller and Stadler IV) Natural hybridization
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. The quickest method of plant breeding is
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. Desired improved variety of economically useful crops are raised by
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. Plants having similar genotypes produced by plant breeding are called
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. Importing better varieties and plants from outside and acclimatising them to local environment is called
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. Dwarfing gene of wheat is
Answer : Option C
Explaination / Solution:
No Explaination.


Q10. Crosses between the plants of the same variety are called
Answer : Option C
Explaination / Solution:
No Explaination.